Xu, X.; Ujiie, H. (1994). Xu, X. and Ujiié, H. 1994. Bathyal benthic foraminiferal changes during the past 210,000 years: evidence from piston cores taken from seas south of Ishigaki Island, southern Ryukyu Island Arc. Transactions and Proceedings of Palaeontological Society of Japan, New Series, 175:497-520. Transactions and Proceedings of the paleontological Society of Japan. 175: 497-520.
Xu, X. and Ujiié, H. 1994. Bathyal benthic foraminiferal changes during the past 210,000 years: evidence from piston cores taken from seas south of Ishigaki Island, southern Ryukyu Island Arc. Transactions and Proceedings of Palaeontological Society of Japan, New Series, 175:497-520.
Transactions and Proceedings of the paleontological Society of Japan